Salivary Gland Intraductal Papilloma

**Semantic type:** Neoplastic Process

**Definition:** An intraluminal papillary proliferation that causes unicystic dilatation of the duct and may have features in common with papillary cystadenoma. It is quite rare, and involves almost exclusively the excretory ducts of intraoral minor salivary glands. It presents as an asymptomatic submucosal swelling.